Unit 5: Evolution

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Across
  1. 1. Evolutionary history of a species
  2. 6. Trait that helps an organism survive
  3. 9. Preserved remains of ancient organisms
  4. 10. of Evolution Data supporting descent with modification
  5. 11. Selection Human-driven selection of traits
  6. 14. Frequency How common a specific allele is in a population
  7. 16. Group of organisms of the same species
  8. 17. Drift Random changes in allele frequencies
  9. 18. Principle explaining genetic stability
  10. 19. Selection Process where fit traits increase
Down
  1. 2. Study of embryos to trace evolutionary relationships
  2. 3. Formation of a new species
  3. 4. Pool All the genes in a population
  4. 5. Structures Similar traits from a common ancestor
  5. 7. Similar traits not from a common ancestor
  6. 8. Organs Body parts that have lost their original function
  7. 12. Ability to survive and reproduce
  8. 13. Differences within a species
  9. 15. Change in a species over time